.VMSN file extension

This is the basic program to work with .VMSN extension

VMware Workstation

VMware Workstation VMware virtual machine snapshot

VMware Workstation lets you run Windows, Linux, and BSD operating systems in a virtual environment inside Windows. It has support for hundreds of 32-bit and 64-bit guest operating systems including Windows XP through Windows 10, RedHat, Solaris, openSUSE, and other Linux distributions... (more)

The program works with the following extensions: vmt, vmx, ova, ovf, vmc, xvm, sv2i, vmdk, vmac, vmsn, vmba, conf, vmhr, vmtm, vmxa, vmpl, vmsd, vmxf, nvram and vmlog

.VMSN extension is also supported by the following program:

VMware GSX Server

VMware GSX Server VMware virtual machine snapshot